8. Consider the following operation performed on a stack of size 5. Push (1) Pop () 2 Push (2) Push (3) Pop (); Push (4): Pop () Push (5) After the completion of all operations, the number of elements present in the stack is? C. 3 D. 4 A.1 B. 2

8. Consider the following operation performed on a stack of size 5. Push (1) Pop () 2 Push (2) Push (3) Pop (); Push (4): Pop () Push (5) After the completion of all operations, the number of elements present in the stack is? C. 3 D. 4 A.1 B. 2

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

8. Consider the following operation performed on a stack of size 5.
Push (1);
Pop ();
Push (2)
Push (3);
Pop ();
Push (4)
Pop ();
Push (5);
After the completion of all operations, the number of elements present in the stack is?
A. 1
B. 2
C. 3
D.4
how do you increment the rear end of the queue?

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solution for subpart 4
Consider the following code segment , The variable q is an object of type Queue, the variable s is an object of type Stack. peek method looks at the first element in the queue without removing it. the remove method removes the first element from the queue. add method adds an element to the and of the queue or add an element to the top of the stack. pop method removes an element from the top of the stack What would be the content of the variable q (8 numbers) after we complete the second while loop in the code for (int i = 30; i <= 40; i ++) { if(i % 3 == 0) q.add(i); } while (!q.isEmpty()) { s.add(q.peek()); s.add(q.peek()); q.remove(); } while (!s.isEmpty()) { q.add(s.pop()); }
C++ only.
Explain Please please
You are given N elements and your task is to Implement a Stack in which you can get a minimum element in O(1) time. Example 1: Input: push(2) push(3) pop() getMin() push(1) getMin() Output: 2 1 Explanation: In the first test case for query push(2) Insert 2 into the stack. The stack will be {2} push(3) Insert 3 into the stack. The stack will be {2 3} pop() Remove top element from stack Poped element will be 3 the stack will be {2} getMin() Return the minimum element min element will be 2 push(1) Insert 1 into the stack. The stack will be {2 1} getMin() Return the minimum element min element will be 1.
WSP 2: Implement any strategy • You need to extend your WaterSort program to implement one of these strategies. It is a good idea to play around with both – please use Random numbers in both cases. Important: To add ink to a bottle (strategy 1) or to move ink from one bottle to another (strategy 2) or you need to use the stack operators. • You need to ensure that you are not spilling ink! (now you understand why you needed the getSize()) method in Part 1. • You only need to submit one of the two strategies. Your program should have output of 5 scrambled bottles.
The following operations are performed on a stack:PUSH A, PUSH B, POP, PUSH C, PUSH D, POP, PUSH E, POP, POP, PUSH FWhat does the stack contain after the PUSH F?a. Fb. A B C D E Fc. A C Fd. A Fe. none of the above.